Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Maintenance Rights Intangible And Lease Premium, Net (Schedule Of Estimated Amortization Of The Lease Premium) (Details)

v3.6.0.2
Maintenance Rights Intangible And Lease Premium, Net (Schedule Of Estimated Amortization Of The Lease Premium) (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]    
2017 $ 31,177  
2018 24,871  
2019 21,176  
2020 21,176  
2021 21,176  
Thereafter 198,412  
Finite-lived intangible assets 317,988 $ 364,137
Lease Premium [Member]    
Finite-Lived Intangible Assets [Line Items]    
2017 13,633  
2018 11,219  
2019 10,466  
2020 7,727  
2021 5,394  
Thereafter 2,452  
Finite-lived intangible assets $ 50,891 $ 70,727